USN-5051-1 fixed a vulnerability in OpenSSL. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.
Original advisory details:
Ingo Schwarze discovered that OpenSSL incorrectly handled certain ASN.1 strings. A remote attacker could use this issue to cause OpenSSL to crash, resulting in a denial of service, or possibly obtain sensitive information. (CVE-2021-3712)
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "libssl1.0.0-udeb-dbgsym": "1.0.1f-1ubuntu2.27+esm3", "libssl-dev": "1.0.1f-1ubuntu2.27+esm3", "libssl1.0.0": "1.0.1f-1ubuntu2.27+esm3", "libssl-doc": "1.0.1f-1ubuntu2.27+esm3", "libcrypto1.0.0-udeb-dbgsym": "1.0.1f-1ubuntu2.27+esm3", "libssl1.0.0-dbg": "1.0.1f-1ubuntu2.27+esm3", "libssl-dev-dbgsym": "1.0.1f-1ubuntu2.27+esm3", "openssl": "1.0.1f-1ubuntu2.27+esm3", "openssl-dbgsym": "1.0.1f-1ubuntu2.27+esm3", "libssl1.0.0-udeb": "1.0.1f-1ubuntu2.27+esm3", "libssl1.0.0-dbgsym": "1.0.1f-1ubuntu2.27+esm3", "libcrypto1.0.0-udeb": "1.0.1f-1ubuntu2.27+esm3" } ] }
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "libssl1.0.0-udeb-dbgsym": "1.0.2g-1ubuntu4.20+esm1", "libssl-dev": "1.0.2g-1ubuntu4.20+esm1", "libssl1.0.0": "1.0.2g-1ubuntu4.20+esm1", "libssl-doc": "1.0.2g-1ubuntu4.20+esm1", "libcrypto1.0.0-udeb-dbgsym": "1.0.2g-1ubuntu4.20+esm1", "libssl1.0.0-dbg": "1.0.2g-1ubuntu4.20+esm1", "libssl-dev-dbgsym": "1.0.2g-1ubuntu4.20+esm1", "openssl": "1.0.2g-1ubuntu4.20+esm1", "openssl-dbgsym": "1.0.2g-1ubuntu4.20+esm1", "libssl1.0.0-udeb": "1.0.2g-1ubuntu4.20+esm1", "libssl1.0.0-dbgsym": "1.0.2g-1ubuntu4.20+esm1", "libcrypto1.0.0-udeb": "1.0.2g-1ubuntu4.20+esm1" } ] }